Which of the Following Statements Regarding Chemotaxis Is Incorrect

Multiple Choice

Which of the following statements regarding chemotaxis is incorrect?

A) In a cell with peritrichous flagella, each flagellum moves individually but in a coordinated direction during a run.
B) In a tumble, the flagellum reverses direction, causing the cell to stop moving and change course.
C) When a cell detects a nutrient gradient, it will increase the frequency of runs to move toward the nutrient.
D) The fuel for flagellar motion is not ATP, but a proton gradient.